144 ·Filed Apr 29, 2026
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral
The proposed sale is too small to have any material impact on HOWL's stock price. Traders should disregard this filing as routine portfolio adjustment by a venture investor.
Final — all horizons settled through T+60d ⚠ clustered
HOWL ▼ -37.04% at T+60d
NEUTRAL call -37.04% · α vs SPY -40.15% · entry $0.7200 → $0.4533
T+1d
+0.42%
call +0.42% · α +0.20%
$0.7230
settled 6mo ago
T+5d
-13.89%
call -13.89% · α -15.62%
$0.6200
settled 6mo ago
T+20d
-37.50%
call -37.50% · α -42.73%
$0.4500
settled 5mo ago
T+60d
-37.04%
call -37.04% · α -40.15%
$0.4533
settled 3mo ago
Price Chart
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Executive Summary
MPM Asset Management Investors BV2014 LLC, a venture capital fund, filed a Form 144 to sell 4,479 shares of Werewolf Therapeutics (HOWL) valued at approximately $3,314. The sale is immaterial relative to the company's $36M market cap and represents a routine liquidity transaction by a major early investor.
Key Facts
- MPM Asset Management intends to sell 4,479 shares of HOWL common stock
- Approximate total value of proposed sale: $3,314.46
- Shares acquired via private placement on 05/04/2021
- Sale represents less than 0.01% of market capitalization
Financial Impact
Negligible; ~$3,314 total value
dilution
Risk Factors
- None material from this filing
Market Snapshot
Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
82% bullish (11 analysts)
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001628280-26-028439 |
| Document: 0001628280-26-028439-index.html | 0001628280-26-028439 |
| Document: 0001628280-26-028439.txt | 0001628280-26-028439 |
25 reports for HOWL
80% Hit rate @ T+5 Went positive at some point 13 of 15 best @ T+60▲ +51.32%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | S-4/A | $0.9806 | awaiting T+5 | — | $1.04 (−6.06%) |
Sep 22, 2026 4w ago | S-4 | $0.9894 $0.9223 | ▲ +6.78% | ▲ +6.11% | $1.04 (−5.11%) |
Sep 21, 2026 5w ago | SC 13G | $0.9800 $0.9300 | ▼ −5.10% | ▼ −4.08% | $1.04 (+6.12%) |
Aug 21, 2026 9w ago | 425 | $0.8740 $0.9433 | ▲ +7.93% | ▲ +7.46% | $1.04 (+18.99%) |
Aug 21, 2026 9w ago | 8-K | $0.8740 $0.9433 | ▲ +7.93% | ▲ +7.46% | $1.04 (+18.99%) |
Aug 21, 2026 9w ago | Press Release | $0.8740 $0.9433 | ▼ −7.93% | ▼ −7.46% | $1.04 (−18.99%) |
Jul 31, 2026 12w ago | 8-K | $0.3531 $0.3971 | ▲ +12.46% | ▲ +8.95% | $1.04 (+194.53%) |
Jul 31, 2026 12w ago | Press Release | $0.3531 $0.3971 | ▲ +12.46% | ▲ +8.95% | $1.04 (+194.53%) |
Jun 29, 2026 17w ago | 144 | $0.3599 $0.3200 | ▲ +11.09% | ▲ +11.69% | $1.04 (−188.97%) |
Jun 29, 2026 17w ago | 144 | $0.3599 $0.3200 | ▲ +11.09% | ▲ +11.69% | $1.04 (−188.97%) |
Showing 10 of 25
US Market Status
Market Closed — Opens Wed (16h 30m)
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